Remove redundant throws clauses

Removes exceptions that are declared in a method's signature but never thrown by the method itself or its implementations/derivatives.

samples/xml/jaas/src/main/java/samples/jaas/UsernameEqualsPasswordLoginModule.java

@@ -45,12 +45,12 @@ public class UsernameEqualsPasswordLoginModule implements LoginModule {
 	// ========================================================================================================
 
 	@Override
-	public boolean abort() throws LoginException {
+	public boolean abort() {
 		return true;
 	}
 
 	@Override
-	public boolean commit() throws LoginException {
+	public boolean commit() {
 		return true;
 	}
 
@@ -87,7 +87,7 @@ public class UsernameEqualsPasswordLoginModule implements LoginModule {
 	}
 
 	@Override
-	public boolean logout() throws LoginException {
+	public boolean logout() {
 		return true;
 	}